POULTRY FOR PROFIT T5 
treated, as soon as discovered, by scraping off 
this light yellow material, and applying a good 
disinfectant. 
All of these last three named diseases are 
caused by the same conditions, and by avoid¬ 
ing these conditions very little trouble will be 
experienced in this malady. Birds that have 
had any of the above mentioned diseases should 
never be used for breeding purposes, as their 
offspring will have a predisposition to the same 
ailment. 
Sometimes the perches are placed too high 
in the chicken house, and the birds have to 
jump too far to reach the floor. When this 
happens, a hard lump often forms on the sole of 
the foot. This is sometimes called bumble foot, 
and is usually evident in the chicken's walk. 
Nothing but cutting out the hard part, and 
washing the sore with a good disinfectant can 
remedy this condition. 
While frosted combs could not be called a 
contagious disease, we will discuss this matter 
briefly, before closing this chapter. In severe 
weather, when the temperature is below zero, 
and there is considerable dampness in the 
poultry house, frozen combs are quite frequent* 
